Food techniques are liable for a third of global anthropogenic GHG emissions. Temperature-controlled transport by sea generates 23g CO2eq per tonne kilometer, whereas temperature managed air transport generates 1130g CO2eq per tonne kilometer. One of the benefits of plant-based milks is that they are usually fortified with vitamins and minerals. Cow’s milk naturally accommodates little or no vitamin D, although it’s attainable to buy fortified varieties. Vitamin B12 is one micronutrient that solely occurs in animal merchandise; vegans are therefore at danger of deficiency without supplementation.